| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11, c++14, c++17 |
| |
| // clang-cl and cl currently don't support [[no_unique_address]] |
| // XFAIL: msvc |
| |
| // [algorithms.results]/1 |
| // Each of the class templates specified in this subclause has the template parameters, |
| // data members, and special members specified below, and has no base classes or members |
| // other than those specified. |
| |
| #include <algorithm> |
| |
| #include "test_macros.h" |
| |
| struct Empty {}; |
| struct Empty2 {}; |
| |
| static_assert(sizeof(std::ranges::in_fun_result<Empty, int>) == sizeof(int)); |
| static_assert(sizeof(std::ranges::in_fun_result<int, Empty>) == sizeof(int)); |
| static_assert(sizeof(std::ranges::in_fun_result<Empty, Empty>) == 2); |
| |
| static_assert(sizeof(std::ranges::in_in_result<Empty, int>) == sizeof(int)); |
| static_assert(sizeof(std::ranges::in_in_result<int, Empty>) == sizeof(int)); |
| static_assert(sizeof(std::ranges::in_in_result<Empty, Empty>) == 2); |
| |
| static_assert(sizeof(std::ranges::in_out_result<Empty, int>) == sizeof(int)); |
| static_assert(sizeof(std::ranges::in_out_result<int, Empty>) == sizeof(int)); |
| static_assert(sizeof(std::ranges::in_out_result<Empty, Empty2>) == sizeof(char)); |
| |
| static_assert(sizeof(std::ranges::in_in_out_result<Empty, int, int>) == 2 * sizeof(int)); |
| static_assert(sizeof(std::ranges::in_in_out_result<int, Empty, int>) == 2 * sizeof(int)); |
| static_assert(sizeof(std::ranges::in_in_out_result<int, int, Empty>) == 2 * sizeof(int)); |
| static_assert(sizeof(std::ranges::in_in_out_result<char, Empty, Empty>) == 2); |
| static_assert(sizeof(std::ranges::in_in_out_result<Empty, char, Empty>) == 2); |
| static_assert(sizeof(std::ranges::in_in_out_result<Empty, Empty, char>) == 2); |
| static_assert(sizeof(std::ranges::in_in_out_result<int, Empty, Empty2>) == sizeof(int)); |
| static_assert(sizeof(std::ranges::in_in_out_result<Empty, Empty, Empty>) == 3); |
| |
| static_assert(sizeof(std::ranges::in_out_out_result<Empty, int, int>) == 2 * sizeof(int)); |
| static_assert(sizeof(std::ranges::in_out_out_result<int, Empty, int>) == 2 * sizeof(int)); |
| static_assert(sizeof(std::ranges::in_out_out_result<int, int, Empty>) == 2 * sizeof(int)); |
| static_assert(sizeof(std::ranges::in_out_out_result<char, Empty, Empty>) == 2); |
| static_assert(sizeof(std::ranges::in_out_out_result<Empty, char, Empty>) == 2); |
| static_assert(sizeof(std::ranges::in_out_out_result<Empty, Empty, char>) == 2); |
| static_assert(sizeof(std::ranges::in_out_out_result<int, Empty, Empty2>) == sizeof(int)); |
| static_assert(sizeof(std::ranges::in_out_out_result<Empty, Empty, Empty>) == 3); |
| |
| // In min_max_result both elements have the same type, so they can't have the same address. |
| // So the only way to test that [[no_unique_address]] is used is to have it in another struct |
| struct MinMaxNoUniqueAddress { |
| int a; |
| TEST_NO_UNIQUE_ADDRESS std::ranges::min_max_result<Empty> b; |
| int c; |
| }; |
| |
| static_assert(sizeof(std::ranges::min_max_result<Empty>) == 2); |
| static_assert(sizeof(MinMaxNoUniqueAddress) == 8); |
| |
| static_assert(sizeof(std::ranges::in_found_result<Empty>) == sizeof(bool)); |